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A while back, I had set up the Jamf Infrastructure Manager (JIM) in a VM running Red Hat Enterprise Linux (RHEL) to provide a way for a Jamf Pro server hosted outside a company’s network to be able to talk to an otherwise inaccessible Active Directory domain. The JIM software has been running fine since I configured it, but I recently needed to take a look at the JIM logs as part of diagnosing another issue.

For those not familiar with the JIM software, it has several log files and those logs are available in the following location on RHEL:

When I checked the logs, I noticed that /var/log/jamf-im.log had grown to almost 500 MBs in size.

Considering this log is a plaintext file, that’s a big log file and it seemingly had been not been rotated or otherwise changed since I first installed the JIM software. To help make sure that the host VM would not eventually run out of space because of this growing log file, I needed to implement log rotation for the JIM logs. For more details, see below the jump.

Like this:

As part of working with Apple File System (APFS) volumes, it may be necessary to decrypt a boot drive using APFS’s native encryption in order to fix a problem. To decrypt an encrypted APFS boot drive from the command line, you will need to do the following: